High-fill open cut tunnel load reducing structure

Abstract

The invention discloses a high-fill open cut tunnel load reducing structure which is applied to the technical field of tunnel open cut tunnels. A supporting mechanism and a limiting assembly are arranged to be matched with a fixing assembly, a supporting assembly is supported, a binding assembly is limited, the binding assembly can support a hole supporting assembly and is matched with the hole supporting assembly, and the supporting assembly can be used for supporting the hole supporting assembly; the load reducing mechanism can be supported and limited, the hole supporting assembly and the high-fill open cut tunnel can be supported and limited, load reducing treatment is conducted on the bottom of the high-fill open cut tunnel, and the structural stability of the bottom of the high-fill open cut tunnel is further improved.

Description

Technical Field

[0001] The invention belongs to the technical field of open-cut tunnels, and in particular relates to a load-reducing structure for a high-fill open-cut tunnel. Background Art

[0002] The open-cut load-reducing structure of a high-fill tunnel refers to some engineering measures taken during the design and construction of an underground high-fill tunnel to reduce the impact of the fill and open-cut structure on the groundwater level and underground structure. These measures are intended to reduce the impact of the fill and open-cut structure on the surrounding soil and groundwater, so as to reduce groundwater pressure and soil deformation and ensure the safe operation of underground projects.

[0003] At present, a Chinese utility model with publication number: CN110714468B discloses a load-reducing structure for an open hole in a high embankment tunnel. This invention solves the problem of excessive vertical load pressure in the open hole of a traditional high embankment tunnel. A load-reducing structure for an open hole in a high embankment tunnel comprises an open hole in a tunnel and slopes on both sides of the open hole in the tunnel; a foam concrete solidification layer is filled between the arch of the open hole in the tunnel and the slope surface of the slope; a fly ash filling layer is filled between the upper surface of the foam concrete solidification layer and the slope surface of the slope; three layers of geogrids are laid inside the fly ash filling layer, and the three layers of geogrids are arranged in parallel and equidistantly from top to bottom; a waterproof layer is filled between the upper surface of the fly ash filling layer and the slope surface of the slope; a planting soil layer is laid on the upper surface of the waterproof layer. This invention is suitable for open holes in high embankment tunnels.

[0004] The existing high fill open tunnel load reduction structure has the following disadvantages when in use:

[0005] 1. There is a lack of supporting structure for the bottom structure of the open hole, which makes it impossible to support the bottom structure of the open hole, thus reducing the stability of the bottom structure of the open hole;

[0006] 2. There is a lack of structure to further disperse the pressure when reducing the load on the open hole, and the pressure generated during the load reduction cannot be dispersed, which reduces the stability of the open hole load reduction. Summary of the invention

[0007] The purpose of the present invention is to reduce the load of an existing high fill open tunnel structure, which has the following advantages:

[0008] 1. It has a supporting structure for the bottom structure of the Mingdong, which can support the bottom structure of the Mingdong and improve the stability of the bottom structure of the Mingdong;

[0009] 2. It has a structure that further disperses the pressure when reducing the load on the open hole, which can disperse the pressure generated during the load reduction and improve the stability of the open hole load reduction.

[0010] The above technical objectives of the present invention are achieved through the following technical solutions: a load-reducing structure for a high-fill open-hole tunnel, comprising a supporting mechanism and a load-reducing mechanism, wherein the load-reducing mechanism is clamped at the top of the supporting mechanism, and the supporting mechanism comprises a limiting component, a fixing component, a supporting component, a binding component and a hole-supporting component, wherein the fixing component is clamped at both sides of the top of the limiting component, the supporting component is fixedly connected to the inner side of the fixing component, the binding component is clamped at the surface of the fixing component, the bottom of the binding component is fixedly connected to the top of the supporting component, and the hole-supporting component is fixedly connected to the top of the binding component, and the load-reducing mechanism comprises a positioning component, a stabilizing component, a load-reducing component and a splicing component, wherein the positioning component is clamped at the top of the hole-supporting component, the bottom of the positioning component is clamped to the top of the fixing component, the stabilizing component is fixedly connected to the top of the positioning component, the load-reducing component is fixedly connected to the surface of the stabilizing component, and the splicing component is fixedly connected to the top of the load-reducing component.

[0011] By adopting the above technical solution, by setting up a supporting mechanism and a load-reducing mechanism, the supporting mechanism can support and limit the bottom of the open-cut tunnel, and the load-reducing mechanism can disperse the pressure borne by the load-reducing structure to the supporting mechanism, thereby reducing the pressure borne by the load-reducing structure and improving the stability of load reduction in the open-cut tunnel.

[0012] The present invention is further configured as follows: the limiting assembly comprises a limiting plate, a limiting groove and a limiting grille, the limiting groove is opened on both sides of the top of the limiting plate, and the limiting grille is bolted to the inner side of the limiting plate.

[0013] By adopting the above technical solution, by setting a limit assembly, the limit plate can cooperate with the limit groove to support the fixed assembly, and the limit grid can be directly connected to the underground structure, further increasing the stability of the limit assembly when buried underground.

[0014] The present invention is further configured as follows: the fixing assembly includes a fixed ladder block, a fixing post and a fixing rod, the fixing rod is clamped on the inner side of the limiting groove, the fixed ladder block is fixedly connected to the top of the fixing rod, and the fixing post is fixedly connected to the top of the fixed ladder block.

[0015] By adopting the above technical solution, by setting up a fixing component, the fixing rod can cooperate with the limiting groove to support the fixing, and the fixing can cooperate with the fixing to limit the binding component and the positioning component, thereby further increasing the structural stability of the supporting mechanism and the load-reducing mechanism.

[0016] The present invention is further configured as follows: the support assembly includes a support arc plate, a support card plate and a support connecting plate, the support arc plate is fixedly connected to the top of the limiting grid, the support card plate is fixedly connected to the top of the support arc plate, the support connecting plate is fixedly connected to both sides of the support arc plate, and the surface of the support connecting plate is fixedly connected to the fixed ladder block.

[0017] By adopting the above technical solution, through setting up a support assembly, the support arc plate can cooperate with the support card plate to support the binding assembly, and the support arc plate, due to its own arc structure, can better contact with the underground structure when buried underground, further increasing the structural stability of the support arc plate after installation.

[0018] The present invention is further configured as follows: the binding assembly includes a binding plate, a binding base and a binding groove, the binding plate is fixedly connected to the top of the supporting card plate, the binding base is fixedly connected to the top of the binding plate, the binding groove is opened on both sides of the top of the binding plate, and the inner side of the binding groove is fixedly connected to the card.

[0019] By adopting the above technical solution, by setting up a binding component, the binding plate can cooperate with the binding base to support the hole-supporting component, and the binding plate can cooperate with the binding groove to fix the limit, thereby further increasing the stability of the support for the hole-supporting component.

[0020] The present invention is further configured as follows: the hole-supporting assembly includes a hole-supporting shell, a hole-supporting plate and a hole-supporting column, the hole-supporting shell is fixedly connected to the top of the binding base, the hole-supporting plate is fixedly connected to the surface of the hole-supporting shell, and the hole-supporting column is fixedly connected to the top of the hole-supporting plate.

[0021] By adopting the above technical solution, through setting the hole support assembly, the hole support shell can cooperate with the hole support plate to support and reduce the load of the tunnel open hole that needs to be reduced, and the hole support column can cooperate with the hole support shell to support the positioning assembly.

[0022] The present invention is further configured as follows: the positioning assembly includes a positioning plate, an external connecting hole plate and an internal connecting hole plate, the positioning plate is clamped on the fixed top, the bottom of the positioning plate is clamped with the supporting hole column on the side away from the fixed part, the external connecting hole plate is fixedly connected to the two sides of the top of the positioning plate, the inner side of the external connecting hole plate is clamped with the fixing rod, the inner connecting hole plate is fixedly connected to the side of the top of the positioning plate away from the external connecting hole plate, and the inner side of the inner connecting hole plate is clamped with the supporting hole column.

[0023] By adopting the above technical solution and setting the positioning assembly, the positioning plate can support the external connecting orifice plate and the internal connecting orifice plate, and can transmit the pressure to the supporting hole column and fix it respectively, so as to disperse the pressure. The external connecting orifice plate can support the load reduction assembly, and the internal connecting orifice plate can support the stabilizing assembly.

[0024] The present invention is further configured as follows: the stabilizing assembly includes a stabilizing plate, a stabilizing connecting plate and a stabilizing groove, the stabilizing plate is fixedly connected to the top of the inner connecting hole plate, the stabilizing connecting plate is fixedly connected to both sides of the stabilizing plate, and the stabilizing groove is opened at the bottom of the stabilizing plate.

[0025] By adopting the above technical solution, by setting up a stabilization component, the stabilization plate can cooperate with the stabilization connecting plate to support the load reduction component, and the stabilization groove can cooperate with the stabilization plate to contact the structure inside the mountain, further increasing the structural stability of the stabilization plate after installation.

[0026] The present invention is further configured as follows: the load reduction assembly includes a load reduction ladder plate, a load reduction frame and a load reduction grille, the load reduction ladder plate is fixedly connected to the surface of the stabilizing connecting plate, the bottom of the load reduction ladder plate is fixedly connected to the top of the external connecting hole plate, the stabilizing connecting plate is fixedly connected to the top of the stabilizing plate, and the load reduction grille is fixedly connected to the inner side of the stabilizing connecting plate.

[0027] By adopting the above technical solution, through setting up the load reduction assembly, the load reduction ladder plate can cooperate with the load reduction frame to support the load reduction grille, the load reduction grille can cooperate with the load reduction ladder plate and contact the internal structure of the mountain, thereby further increasing the stability of the load reduction ladder plate after installation, and the load reduction frame can support the tie-down assembly.

[0028] The present invention is further configured as follows: the tying assembly includes a tying frame, a tying plate and a vegetation soil plate, the tying frame is fixedly connected to the top of the load reduction frame, the tying plate is fixedly connected to the inner side of the tying frame, the vegetation soil plate is fixedly connected to the top of the tying plate, and the bottom of the tying plate is fixedly connected to the top of the load reduction grid.

[0029] By adopting the above technical solution, through setting up the tying components, the tying frame can cooperate with the tying plate to support the vegetation soil board. The vegetation soil board can cooperate with the tying frame and be installed on the surface of the mountain to allow vegetation to grow on the surface of the mountain, further increasing the structural stability of the tying frame after installation.

[0030] In summary, the present invention has the following beneficial effects:

[0031] 1. By setting the supporting mechanism, the limiting component can cooperate with the fixing component to support the supporting component and limit the binding component. The binding component can support the supporting hole component and cooperate with the supporting hole component to support and limit the load-reducing mechanism. The supporting hole component can support and limit the high-fill open-cut tunnel and reduce the load on the bottom of the high-fill open-cut tunnel, further increasing the structural stability of the bottom of the high-fill open-cut tunnel;

[0032] 2. By setting up the load-reducing mechanism, the positioning component can support the stabilizing component and the load-reducing component, and cooperate with the stabilizing component and the load-reducing component to support the tying component. The tying component can cooperate with the load-reducing component to reduce the load on the high-fill open-cut tunnel, and transmit the pressure generated by its own weight to the supporting mechanism through the stabilizing component and the positioning component, which can disperse the pressure into the supporting mechanism, thereby further reducing the pressure on the high-fill open-cut tunnel and further improving the stability of the load reduction of the high-fill open-cut tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 It is a schematic diagram of the support mechanism structure of the present invention;

[0035] Figure 3 It is a schematic diagram of the structure of the limit assembly of the present invention;

[0036] Figure 4 It is a schematic diagram of the structure of the fixing assembly of the present invention;

[0037] Figure 5 It is a schematic diagram of the structure of the support assembly of the present invention;

[0038] Figure 6 It is a schematic diagram of the binding component structure of the present invention;

[0039] Figure 7 It is a schematic diagram of the structure of the hole supporting assembly of the present invention;

[0040] Figure 8 It is a schematic diagram of the structure of the load-reducing mechanism of the present invention;

[0041] Fig. 9 It is a schematic diagram of the structure of the positioning component of the present invention;

[0042] Fig.10 is a schematic diagram of the structure of the stabilizing assembly of the present invention;

[0043] Fig.11 It is a schematic diagram of the structure of the load reduction component of the present invention;

[0044] Fig.12 It is a schematic diagram of the structure of the splicing assembly of the present invention.

[0045] Figure numerals: 1, support mechanism; 101, limit assembly; 1011, limit plate; 1012, limit groove; 1013, limit grid; 102, fixing assembly; 1021, fixed ladder block; 1022, fixed; 1023, fixing rod; 103, support assembly; 1031, support arc plate; 1032, support card plate; 1033, support connecting plate; 104, binding assembly; 1041, binding plate; 1042, binding base; 1043, binding groove; 105, support hole assembly; 1051, support hole shell ; 1052, support hole plate; 1053, support hole column; 2, load-reducing mechanism; 201, positioning assembly; 2011, positioning plate; 2012, external connection hole plate; 2013, internal connection hole plate; 202, stabilizing assembly; 2021, stabilizing plate; 2022, stable connecting plate; 2023, stabilizing trough; 203, load-reducing assembly; 2031, load-reducing ladder plate; 2032, load-reducing frame; 2033, load-reducing grille; 204, tying assembly; 2041, tying frame; 2042, tying plate; 2043, vegetation soil board. DETAILED DESCRIPTION

[0046] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0047] Embodiment 1:

[0048] refer to Figure 1-7 A load-reducing structure for a high-fill open-hole tunnel comprises a supporting mechanism 1, wherein the supporting mechanism 1 comprises a limiting component 101, a fixing component 102, a supporting component 103, a binding component 104 and a hole-supporting component 105, wherein the fixing component 102 is clamped on both sides of the top of the limiting component 101, the supporting component 103 is fixedly connected to the inner side of the fixing component 102, the binding component 104 is clamped on the surface of the fixing component 102, the bottom of the binding component 104 is fixedly connected to the top of the supporting component 103, and the hole-supporting component 105 is fixedly connected to the binding component 10 4, by setting the supporting mechanism 1, the limiting component 101 can cooperate with the fixing component 102 to support the supporting component 103 and limit the binding component 104, the binding component 104 can support the hole supporting component 105, and cooperate with the hole supporting component 105 to support and limit the load-reducing mechanism 2, the hole supporting component 105 can support and limit the high-fill open-cut tunnel, and reduce the load on the bottom of the high-fill open-cut tunnel, thereby further increasing the structural stability of the bottom of the high-fill open-cut tunnel.

[0049] like Figure 3As shown, the limiting component 101 includes a limiting plate 1011, a limiting groove 1012 and a limiting grille 1013. The limiting groove 1012 is opened on both sides of the top of the limiting plate 1011, and the limiting grille 1013 is bolted to the inner side of the limiting plate 1011. By setting the limiting component 101, the limiting plate 1011 can cooperate with the limiting groove 1012 to support the fixing component 102, and the limiting grille 1013 can be directly connected to the underground structure, thereby further increasing the stability of the limiting component 101 when buried underground.

[0050] like Figure 4 As shown, the fixing component 102 includes a fixing ladder block 1021, a fixing post 1022 and a fixing rod 1023. The fixing rod 1023 is clamped on the inner side of the limiting groove 1012. The fixing ladder block 1021 is fixedly connected to the top of the fixing rod 1023. The fixing post 1022 is fixedly connected to the top of the fixing ladder block 1021. By setting the fixing component 102, the fixing rod 1023 can cooperate with the limiting groove 1012 to support the fixing post 1022. The fixing post 1022 can cooperate with the fixing post 1022 to limit the binding component 104 and the positioning component 201, thereby further increasing the structural stability of the support mechanism 1 and the load-reducing mechanism 2.

[0051] like Figure 5 As shown, the support assembly 103 includes a support arc plate 1031, a support card plate 1032 and a support connecting plate 1033. The support arc plate 1031 is fixedly connected to the top of the limiting grid 1013, the support card plate 1032 is fixedly connected to the top of the support arc plate 1031, the support connecting plate 1033 is fixedly connected to both sides of the support arc plate 1031, and the surface of the support connecting plate 1033 is fixedly connected to the fixed ladder block 1021. By setting the support assembly 103, the support arc plate 1031 can cooperate with the support card plate 1032 to support the binding assembly 104, and the support arc plate 1031 can better contact with the underground structure when buried underground due to its own arc structure, thereby further increasing the structural stability of the support arc plate 1031 after installation.

[0052] like Figure 6 As shown, the binding component 104 includes a binding plate 1041, a binding base 1042 and a binding groove 1043. The binding plate 1041 is fixedly connected to the top of the supporting card plate 1032, the binding base 1042 is fixedly connected to the top of the binding plate 1041, and the binding groove 1043 is opened on both sides of the top of the binding plate 1041. The inner side of the binding groove 1043 is clamped with the fixing 1022. By setting the binding component 104, the binding plate 1041 can cooperate with the binding base 1042 to support the supporting hole component 105, and the binding plate 1041 can cooperate with the binding groove 1043 and the fixing 1022 to limit the position, thereby further increasing the stability of the support for the supporting hole component 105.

[0053] like Figure 7 As shown, the hole supporting assembly 105 includes a hole supporting shell 1051, a hole supporting plate 1052 and a hole supporting column 1053. The hole supporting shell 1051 is fixedly connected to the top of the binding base 1042, the hole supporting plate 1052 is fixedly connected to the surface of the hole supporting shell 1051, and the hole supporting column 1053 is fixedly connected to the top of the hole supporting plate 1052. By setting the hole supporting assembly 105, the hole supporting shell 1051 can cooperate with the hole supporting plate 1052 to support and reduce the load of the tunnel open hole that needs to be reduced, and the hole supporting column 1053 can cooperate with the hole supporting shell 1051 to support the positioning assembly 201.

[0054] Brief description of the use process: First, when the high-fill open-cut tunnel is subjected to pressure load, the pressure load borne by the high-fill open-cut tunnel will be transmitted to the hole support plate 1052, and the hole support plate 1052 will transmit the pressure load to the binding base 1042, and then the pressure load will be transmitted along the binding plate 1041 to the support arc plate 1031 and the fixed ladder block 1021. When the fixed ladder block 1021 is subjected to pressure load, the support connection plate 1033 will limit the fixed ladder block 1021, and then the pressure load will be transmitted through The fixed ladder block 1021 and the supporting arc plate 1031 transmit the pressure to the limit plate 1011 and the limit grid 1013, and then transmit it to the ground. After that, the load-reducing mechanism 2 will transmit the pressure load to the hole-supporting column 1053 and the fixed part 1022 respectively. The hole-supporting column 1053 will transmit the pressure load to the hole-supporting plate 1052, and the fixed part 1022 will transmit the pressure load to the fixed ladder block 1021, so that the pressure load will be transmitted to the limit plate 1011 and the limit grid 1013 again, and finally transmitted to the ground.

[0055] Embodiment 2:

[0056] refer to Figure 8-12A load-reducing structure for a high-fill open-hole tunnel comprises a load-reducing mechanism 2, which is clamped on the top of a supporting mechanism 1. The load-reducing mechanism 2 comprises a positioning component 201, a stabilizing component 202, a load-reducing component 203 and a splicing component 204. The positioning component 201 is clamped on the top of a hole-supporting component 105, the bottom of the positioning component 201 is clamped on the top of a fixing component 102, the stabilizing component 202 is fixedly connected to the top of the positioning component 201, the load-reducing component 203 is fixedly connected to the surface of the stabilizing component 202, and the splicing component 204 is fixedly connected to the top of the load-reducing component 203. By setting the load-reducing mechanism 2 The load-reducing mechanism 2 and the positioning component 201 can support the stabilizing component 202 and the load-reducing component 203, and cooperate with the stabilizing component 202 and the load-reducing component 203 to support the splicing component 204. The splicing component 204 can cooperate with the load-reducing component 203 to reduce the load on the high-fill open-cut tunnel, and transmit the pressure generated by its own weight to the supporting mechanism 1 through the stabilizing component 202 and the positioning component 201, which can disperse the pressure into the supporting mechanism 1, thereby further reducing the pressure on the high-fill open-cut tunnel and further improving the stability of the load reduction of the high-fill open-cut tunnel.

[0057] like Fig. 9 As shown, the positioning assembly 201 includes a positioning plate 2011, an outer connecting hole plate 2012 and an inner connecting hole plate 2013, the positioning plate 2011 is clamped on the top of the fixed 1022, the bottom of the positioning plate 2011 is clamped with the supporting hole column 1053 away from the fixed 1022, the outer connecting hole plate 2012 is fixedly connected to both sides of the top of the positioning plate 2011, the inner side of the outer connecting hole plate 2012 is clamped with the fixing rod 1023, and the inner connecting hole plate 2013 is fixedly connected to the top of the positioning plate 2011 away from the fixing rod 1023. One side of the external connection orifice plate 2012 and the inner side of the internal connection orifice plate 2013 are clamped with the supporting hole column 1053. By setting the positioning component 201, the positioning plate 2011 can support the external connection orifice plate 2012 and the internal connection orifice plate 2013, and can transmit the pressure to the supporting hole column 1053 and the fixing 1022 respectively, so as to disperse the pressure. The external connection orifice plate 2012 can support the load reduction component 203, and the internal connection orifice plate 2013 can support the stabilization component 202.

[0058] like Fig.10As shown, the stabilizing assembly 202 includes a stabilizing plate 2021, a stabilizing connecting plate 2022 and a stabilizing groove 2023. The stabilizing plate 2021 is fixedly connected to the top of the inner connecting hole plate 2013, the stabilizing connecting plate 2022 is fixedly connected to both sides of the stabilizing plate 2021, and the stabilizing groove 2023 is opened at the bottom of the stabilizing plate 2021. By setting the stabilizing assembly 202, the stabilizing plate 2021 can cooperate with the stabilizing connecting plate 2022 to support the load reduction assembly 203, and the stabilizing groove 2023 can cooperate with the stabilizing plate 2021 to contact the structure inside the mountain, thereby further increasing the structural stability of the stabilizing plate 2021 after installation.

[0059] like Fig.11 As shown, the load reduction component 203 includes a load reduction ladder plate 2031, a load reduction frame 2032 and a load reduction grille 2033. The load reduction ladder plate 2031 is fixedly connected to the surface of the stable connecting plate 2022, the bottom of the load reduction ladder plate 2031 is fixedly connected to the top of the external connecting hole plate 2012, the stable connecting plate 2022 is fixedly connected to the top of the stable plate 2021, and the load reduction grille 2033 is fixedly connected to the inner side of the stable connecting plate 2022. By setting the load reduction component 203, the load reduction ladder plate 2031 can cooperate with the load reduction frame 2032 to support the load reduction grille 2033, the load reduction grille 2033 can cooperate with the load reduction ladder plate 2031 to contact the internal structure of the mountain, thereby further increasing the stability of the load reduction ladder plate 2031 after installation, and the load reduction frame 2032 can support the tying component 204.

[0060] like Fig.12 As shown, the tying assembly 204 includes a tying frame 2041, a tying plate 2042 and a vegetation soil plate 2043. The tying frame 2041 is fixedly connected to the top of the load reduction frame 2032, the tying plate 2042 is fixedly connected to the inner side of the tying frame 2041, the vegetation soil plate 2043 is fixedly connected to the top of the tying plate 2042, and the bottom of the tying plate 2042 is fixedly connected to the top of the load reduction grid 2033. By setting the tying assembly 204, the tying frame 2041 can cooperate with the tying plate 2042 to support the vegetation soil plate 2043, and the vegetation soil plate 2043 can cooperate with the tying frame 2041 to be installed on the surface of the mountain, and allow vegetation to grow on the surface of the mountain, thereby further increasing the structural stability of the tying frame 2041 after installation.

[0061] Brief description of the usage process: First, the vegetation soil plate 2043 will contact the surface of the mountain, and then support the tying frame 2041, and then the tying frame 2041 will support the load reduction frame 2032 and the load reduction grid 2033, and then the load reduction frame 2032 will support the stabilizing plate 2021, and then the stabilizing plate 2021 and the load reduction frame 2032 will support the external connecting hole plate 2012 and the internal connecting hole plate 2013, and the external connecting hole plate 2012 and the internal connecting hole plate 2013 will support the positioning plate 2011 after being supported, and will transmit the pressure load generated by the excess weight of the tying frame 2041, the load reduction frame 2032 and the stabilizing plate 2021 to the supporting mechanism 1 until the supporting mechanism 1 disperses the pressure load generated by the excess weight.

[0062] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A load-reducing structure for a high-fill open-cut tunnel, comprising a support mechanism (1) and a load-reducing mechanism (2), characterized in that: The load-reducing mechanism (2) is clamped on the top of the supporting mechanism (1); the supporting mechanism (1) comprises a limiting component (101), a fixing component (102), a supporting component (103), a binding component (104) and a hole-supporting component (105); the fixing component (102) is clamped on both sides of the top of the limiting component (101); the supporting component (103) is fixedly connected to the inner side of the fixing component (102); the binding component (104) is clamped on the surface of the fixing component (102); the bottom of the binding component (104) is fixedly connected to the top of the supporting component (103); the hole-supporting component (105) The load-reducing mechanism (2) is fixedly connected to the top of the binding component (104), and comprises a positioning component (201), a stabilizing component (202), a load-reducing component (203) and a tying component (204); the positioning component (201) is clamped on the top of the hole-supporting component (105); the bottom of the positioning component (201) is clamped on the top of the fixing component (102); the stabilizing component (202) is fixedly connected to the top of the positioning component (201); the load-reducing component (203) is fixedly connected to the surface of the stabilizing component (202); and the tying component (204) is fixedly connected to the top of the load-reducing component (203).

2. A high fill open tunnel load reduction structure according to claim 1, characterized in that: The limiting assembly (101) comprises a limiting plate (1011), a limiting groove (1012) and a limiting grid (1013); the limiting groove (1012) is provided on both sides of the top of the limiting plate (1011); and the limiting grid (1013) is bolted to the inner side of the limiting plate (1011).

3. A high fill open tunnel load reduction structure according to claim 2, characterized in that: The fixing assembly (102) comprises a fixing ladder block (1021), a fixing post (1022) and a fixing rod (1023); the fixing rod (1023) is clamped on the inner side of the limiting groove (1012); the fixing ladder block (1021) is fixedly connected to the top of the fixing rod (1023); and the fixing post (1022) is fixedly connected to the top of the fixing ladder block (1021).

4. A high fill open tunnel load reduction structure according to claim 3, characterized in that: The support assembly (103) comprises a support arc plate (1031), a support card plate (1032) and a support connecting plate (1033); the support arc plate (1031) is fixedly connected to the top of the limiting grid (1013); the support card plate (1032) is fixedly connected to the top of the support arc plate (1031); the support connecting plate (1033) is fixedly connected to both sides of the support arc plate (1031); and the surface of the support connecting plate (1033) is fixedly connected to the fixed ladder block (1021).

5. A high fill open tunnel load reduction structure according to claim 4, characterized in that: The binding assembly (104) comprises a binding plate (1041), a binding base (1042) and a binding slot (1043); the binding plate (1041) is fixedly connected to the top of the supporting card plate (1032); the binding base (1042) is fixedly connected to the top of the binding plate (1041); the binding slot (1043) is provided on both sides of the top of the binding plate (1041); and the inner side of the binding slot (1043) is snap-connected with the fixing (1022).

6. A high fill open tunnel load reduction structure according to claim 5, characterized in that: The hole-supporting assembly (105) comprises a hole-supporting shell (1051), a hole-supporting plate (1052) and a hole-supporting column (1053); the hole-supporting shell (1051) is fixedly connected to the top of the binding base (1042); the hole-supporting plate (1052) is fixedly connected to the surface of the hole-supporting shell (1051); and the hole-supporting column (1053) is fixedly connected to the top of the hole-supporting plate (1052).

7. A high fill open tunnel load reduction structure according to claim 6, characterized in that: The positioning assembly (201) comprises a positioning plate (2011), an external connection hole plate (2012) and an internal connection hole plate (2013); the positioning plate (2011) is clamped on the top of the fixing (1022); the bottom of the positioning plate (2011) is clamped with a hole support column (1053) on a side away from the fixing (1022); the external connection hole plate (2012) is fixedly connected to both sides of the top of the positioning plate (2011); the inner side of the external connection hole plate (2012) is clamped with the fixing rod (1023); the inner connection hole plate (2013) is fixedly connected to a side of the top of the positioning plate (2011) away from the external connection hole plate (2012); the inner side of the inner connection hole plate (2013) is clamped with the hole support column (1053).

8. A high fill open tunnel load reduction structure according to claim 7, characterized in that: The stabilizing assembly (202) comprises a stabilizing plate (2021), a stabilizing connecting plate (2022) and a stabilizing groove (2023); the stabilizing plate (2021) is fixedly connected to the top of the inner connecting hole plate (2013); the stabilizing connecting plate (2022) is fixedly connected to both sides of the stabilizing plate (2021); and the stabilizing groove (2023) is provided at the bottom of the stabilizing plate (2021).

9. A high fill open tunnel load reduction structure according to claim 8, characterized in that: The load reduction assembly (203) comprises a load reduction ladder plate (2031), a load reduction frame (2032) and a load reduction grille (2033); the load reduction ladder plate (2031) is fixedly connected to the surface of the stabilizing connection plate (2022); the bottom of the load reduction ladder plate (2031) is fixedly connected to the top of the external connection hole plate (2012); the stabilizing connection plate (2022) is fixedly connected to the top of the stabilizing plate (2021); and the load reduction grille (2033) is fixedly connected to the inner side of the stabilizing connection plate (2022).

10. A high fill open tunnel load reduction structure according to claim 9, characterized in that: The tying assembly (204) comprises a tying frame (2041), a tying plate (2042) and a vegetation soil plate (2043); the tying frame (2041) is fixedly connected to the top of the load reduction frame (2032); the tying plate (2042) is fixedly connected to the inner side of the tying frame (2041); the vegetation soil plate (2043) is fixedly connected to the top of the tying plate (2042); and the bottom of the tying plate (2042) is fixedly connected to the top of the load reduction grid (2033).

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